"ri-" meaning in Ido

{
  "etymology_templates": [
    {
      "args": {
        "1": "io",
        "2": "it",
        "3": "ri-"
      },
      "expansion": "Italian ri-",
      "name": "der"
    },
    {
      "args": {
        "1": "io",
        "2": "en",
        "3": "re-"
      },
      "expansion": "English re-",
      "name": "der"
    }
  ],
  "etymology_text": "From Italian ri-, English re-. Was originally re-, but was changed to ri- due to the confusion with words that naturally start with re.",
  "head_templates": [
    {
      "args": {
        "1": "io",
        "2": "prefix"
      },
      "expansion": "ri-",
      "name": "head"
    }
  ],
  "lang": "Ido",
  "lang_code": "io",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Ido entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages using catfix",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 6 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Prefix used with verbal roots to mean repetition; re-, again"
      ],
      "id": "en-ri--io-prefix-LFeUNwZZ",
      "links": [
        [
          "re-",
          "re-"
        ],
        [
          "again",
          "again"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "ri-"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "io",
        "2": "it",
        "3": "ri-"
      },
      "expansion": "Italian ri-",
      "name": "der"
    },
    {
      "args": {
        "1": "io",
        "2": "en",
        "3": "re-"
      },
      "expansion": "English re-",
      "name": "der"
    }
  ],
  "etymology_text": "From Italian ri-, English re-. Was originally re-, but was changed to ri- due to the confusion with words that naturally start with re.",
  "head_templates": [
    {
      "args": {
        "1": "io",
        "2": "prefix"
      },
      "expansion": "ri-",
      "name": "head"
    }
  ],
  "lang": "Ido",
  "lang_code": "io",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        "Ido entries with incorrect language header",
        "Ido lemmas",
        "Ido prefixes",
        "Ido terms derived from English",
        "Ido terms derived from Italian",
        "Pages using catfix",
        "Pages with 6 entries",
        "Pages with entries"
      ],
      "glosses": [
        "Prefix used with verbal roots to mean repetition; re-, again"
      ],
      "links": [
        [
          "re-",
          "re-"
        ],
        [
          "again",
          "again"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "ri-"
}